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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.10 by pcg, Wed Dec 3 23:19:44 2003 UTC vs.
Revision 1.197 by root, Sun Jan 22 20:39:47 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.10 2003/12/03 23:19:44 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
		51	vector<rxvt_term *> rxvt_term::termlist;
		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
		56	static char curlocale[128], savelocale[128];
		57
		58	bool
		59	rxvt_set_locale (const char *locale) NOTHROW
		60	{
		61	if (!locale || !strncmp (locale, curlocale, 128))
		62	return false;
		63
		64	strncpy (curlocale, locale, 128);
		65	setlocale (LC_CTYPE, curlocale);
		66	return true;
		67	}
		68
47	void *	69	void
48	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
49	{	71	{
50	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
51		75
52	MEMSET (p, 0, s);	76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
		80	}
		81
		82	#if ENABLE_COMBINING
		83	class rxvt_composite_vec rxvt_composite;
		84
		85	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		86	{
		87	compose_char *cc;
		88
		89	// break compose chains, as stupid readline really likes to duplicate
		90	// composing characters for some reason near the end of a line.
		91	cc = (*this)[c1];
		92	while (cc)
		93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
		97
		98	// check to see wether this combination already exists otherwise
		99	for (cc = v.end (); cc-- > v.begin (); )
		100	{
		101	if (cc->c1 == c1 && cc->c2 == c2)
		102	return COMPOSE_LO + (cc - v.begin ());
		103	}
		104
		105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
		109
		110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		112
		113	return REPLACEMENT_CHAR;
		114	}
		115
		116	v.push_back (compose_char (c1, c2));
		117
		118	return v.size () - 1 + COMPOSE_LO;
		119	}
		120
		121	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		122	{
		123	compose_char *cc = (*this)[c];
		124
		125	if (!cc)
		126	{
		127	if (r) *r = c;
		128	return 1;
		129	}
		130
		131	int len = expand (cc->c1, r);
		132
		133	if (r) r += len;
		134
		135	if (cc->c2 != NOCHAR)
		136	{
		137	len++;
		138	if (r) *r++ = cc->c2;
		139	}
		140
53	return p;	141	return len;
54	}
55		142
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	143	}
		144	#endif
61		145
62	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	147	:
		148	#if TRANSPARENT
		149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_ev (this, &rxvt_term::x_cb),
		153	#endif
64	#ifdef CURSOR_BLINK	154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	158	text_blink_ev (this, &rxvt_term::text_blink_cb),
		159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66	#endif	168	#endif
67	#ifdef POINTER_BLANK	169	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	170	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
		175	#ifndef NO_BELL
		176	bell_ev (this, &rxvt_term::bell_cb),
		177	#endif
		178	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb),	179	vt_ev (this, &rxvt_term::x_cb),
		180	child_ev (this, &rxvt_term::child_cb),
		181	check_ev (this, &rxvt_term::check_cb),
		182	flush_ev (this, &rxvt_term::flush_cb),
71	destroy_ev (this, &rxvt_term::destroy_cb),	183	destroy_ev (this, &rxvt_term::destroy_cb),
		184	pty_ev (this, &rxvt_term::pty_cb),
72	check_ev (this, &rxvt_term::check_cb)	185	incr_ev (this, &rxvt_term::incr_cb)
73	{	186	{
74	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	187	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		188
		189	termlist.push_back (this);
		190
		191	#ifdef KEYSYM_RESOURCE
		192	keyboard = new keyboard_manager;
		193	#endif
		194	}
		195
		196	// clean up the most important stuff, do *not* call x or free mem etc.
		197	// for use before an emergency exit
		198	void rxvt_term::emergency_cleanup ()
		199	{
		200	if (cmd_pid)
		201	kill (-cmd_pid, SIGHUP);
		202
		203	delete pty; pty = 0;
75	}	204	}
76		205
77	rxvt_term::~rxvt_term ()	206	rxvt_term::~rxvt_term ()
78	{	207	{
79	rxvt_scr_release (this);	208	termlist.erase (find (termlist.begin (), termlist.end(), this));
80		209
81	#ifndef NO_SETOWNER_TTYDEV	210	emergency_cleanup ();
82	rxvt_privileged_ttydev (this, RESTORE);	211
		212	#if ENABLE_STYLES
		213	for (int i = RS_styleCount; --i; )
		214	if (fontset[i] != fontset[0])
		215	delete fontset[i];
83	#endif	216	#endif
84	#ifdef UTMP_SUPPORT	217	delete fontset[0];
85	rxvt_privileged_utmp (this, RESTORE);	218
86	#endif	219	if (display)
		220	{
		221	dDisp;
		222
		223	selection_clear ();
		224
87	#ifdef USE_XIM	225	#ifdef USE_XIM
88	if (Input_Context != NULL)	226	im_destroy ();
		227	#endif
		228	#ifdef XTERM_SCROLLBAR
		229	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		230	if (ShadowGC) XFreeGC (disp, ShadowGC);
		231	#endif
		232	#ifdef PLAIN_SCROLLBAR
		233	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		234	#endif
		235	#ifdef NEXT_SCROLLBAR
		236	if (blackGC) XFreeGC (disp, blackGC);
		237	if (whiteGC) XFreeGC (disp, whiteGC);
		238	if (grayGC) XFreeGC (disp, grayGC);
		239	if (darkGC) XFreeGC (disp, darkGC);
		240	if (stippleGC) XFreeGC (disp, stippleGC);
		241	if (dimple) XFreePixmap (disp, dimple);
		242	if (upArrow) XFreePixmap (disp, upArrow);
		243	if (downArrow) XFreePixmap (disp, downArrow);
		244	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		245	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		246	#endif
		247	#ifdef RXVT_SCROLLBAR
		248	if (topShadowGC) XFreeGC (disp, topShadowGC);
		249	if (botShadowGC) XFreeGC (disp, botShadowGC);
		250	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		251	#endif
		252	if (gc) XFreeGC (disp, gc);
		253
		254	delete drawable;
		255	// destroy all windows
		256	if (parent[0])
		257	XDestroyWindow (disp, parent[0]);
89	{	258	}
90	XDestroyIC (Input_Context);
91	Input_Context = NULL;
92	}
93	#endif
94		259
95	if (cmd_fd >= 0)	260	// TODO: free pixcolours, colours should become part of rxvt_display
96	close (cmd_fd);	261	delete pix_colors_focused;
		262	#if OFF_FOCUS_FADING
		263	delete pix_colors_unfocused;
		264	#endif
97		265
98	if (Xfd >= 0)	266	displays.put (display);
99	XCloseDisplay (Xdisplay);
100		267
101	delete PixColors;	268	scr_release ();
		269
		270	/* clear all resources */
		271	for (int i = 0; i < allocated.size (); i++)
		272	free (allocated [i]);
		273
		274	free (selection.text);
		275	// TODO: manage env vars in child only(!)
		276	free (env_windowid);
		277	free (env_display);
		278	free (env_term);
		279	free (env_colorfgbg);
		280	free (locale);
		281	free (v_buffer);
		282	free (incr_buf);
		283
		284	delete envv;
		285	delete argv;
		286
		287	#ifdef KEYSYM_RESOURCE
		288	delete keyboard;
		289	#endif
		290	}
		291
		292	// child has exited, usually destroys
		293	void
		294	rxvt_term::child_cb (child_watcher &w, int status)
		295	{
		296	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		297
		298	cmd_pid = 0;
		299
		300	if (!OPTION (Opt_hold))
		301	destroy ();
102	}	302	}
103		303
104	void	304	void
105	rxvt_term::destroy ()	305	rxvt_term::destroy ()
106	{	306	{
		307	if (destroy_ev.active)
		308	return;
		309
		310	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		311	return;
		312
		313	#if ENABLE_OVERLAY
		314	scr_overlay_off ();
		315	#endif
		316
		317	if (display)
		318	{
		319	#if USE_XIM
		320	im_ev.stop (display);
		321	#endif
		322	#if HAVE_SCROLLBARS
		323	scrollbar_ev.stop (display);
		324	#endif
		325	#if TRANSPARENT
		326	rootwin_ev.stop (display);
		327	#endif
		328	incr_ev.stop ();
		329	termwin_ev.stop (display);
		330	vt_ev.stop (display);
		331	}
		332
107	check_ev.stop ();	333	check_ev.stop ();
108	pty_ev.stop ();	334	pty_ev.stop ();
109	x_ev.stop ();
110	#ifdef CURSOR_BLINK	335	#ifdef CURSOR_BLINK
		336	cursor_blink_ev.stop ();
		337	#endif
		338	#ifdef TEXT_BLINK
111	blink_ev.stop ();	339	text_blink_ev.stop ();
		340	#endif
		341	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		342	cont_scroll_ev.stop ();
		343	#endif
		344	#ifdef SELECTION_SCROLLING
		345	sel_scroll_ev.stop ();
112	#endif	346	#endif
113	#ifdef POINTER_BLANK	347	#ifdef POINTER_BLANK
114	pointer_ev.stop ();	348	pointer_ev.stop ();
115	#endif	349	#endif
116		350
…		…
118	}	352	}
119		353
120	void	354	void
121	rxvt_term::destroy_cb (time_watcher &w)	355	rxvt_term::destroy_cb (time_watcher &w)
122	{	356	{
123	SET_R (this);	357	make_current ();
124		358
125	delete this;	359	delete this;
126	}
127
128	/*----------------------------------------------------------------------*/
129	/* rxvt_init() */
130	/* LIBPROTO */
131	rxvt_t
132	rxvt_init (int argc, const char *const *argv)
133	{
134	SET_R (new rxvt_term);
135	dR;
136
137	if (!R->init_vars () || !R->init (argc, argv))
138	{
139	delete R;
140	return NULL;
141	}
142
143	return R;
144	}
145
146	/* EXTPROTO */
147	void
148	rxvt_init_signals ()
149	{
150	/* install exit handler for cleanup */
151	#if 0
152	#ifdef HAVE_ATEXIT
153	atexit(rxvt_clean_exit);
154	#else
155	#endif
156	#endif
157
158	struct sigaction sa;
159
160	sigfillset (&sa.sa_mask);
161	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170	/* signal (SIGURG, SIG_DFL); */
171
172	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174	}
175
176	bool
177	rxvt_term::init (int argc, const char *const *argv)
178	{
179	dR;//TODO (scrollbar, setidle)
180
181	/*
182	* Save and then give up any super-user privileges
183	* If we need privileges in any area then we must specifically request it.
184	* We should only need to be root in these cases:
185	* 1. write utmp entries on some systems
186	* 2. chown tty on some systems
187	*/
188	rxvt_privileges (this, SAVE);
189	rxvt_privileges (this, IGNORE);
190
191	rxvt_init_secondary (this);
192
193	const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195	#if (MENUBAR_MAX)
196	rxvt_menubar_read (this, rs[Rs_menu]);
197	#endif
198	#ifdef HAVE_SCROLLBARS
199	if (Options & Opt_scrollBar)
200	scrollbar_setIdle (); /* set existence for size calculations */
201	#endif
202
203	rxvt_Create_Windows (this, argc, argv);
204
205	rxvt_init_xlocale (this);
206
207	rxvt_scr_reset (this); /* initialize screen */
208	#ifdef RXVT_GRAPHICS
209	rxvt_Gr_reset (this); /* reset graphics */
210	#endif
211
212	#if 0
213	#ifdef DEBUG_X
214	XSynchronize(Xdisplay, True);
215	#endif
216	#endif
217
218	#ifdef HAVE_SCROLLBARS
219	if (Options & Opt_scrollBar)
220	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221	#endif
222	#if (MENUBAR_MAX)
223	if (menubar_visible(r))
224	XMapWindow (Xdisplay, menuBar.win);
225	#endif
226	#ifdef TRANSPARENT
227	if (Options & Opt_transparent)
228	{
229	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230	rxvt_check_our_parents (this);
231	}
232	#endif
233	XMapWindow (Xdisplay, TermWin.vt);
234	XMapWindow (Xdisplay, TermWin.parent[0]);
235
236	rxvt_init_env (this);
237	rxvt_init_command (this, cmd_argv);
238
239	x_ev.start (Xfd, EVENT_READ);
240	pty_ev.start (cmd_fd, EVENT_READ);
241
242	check_ev.start ();
243
244	process_x_events ();
245
246	return true;
247	}
248
249	/* ------------------------------------------------------------------------- *
250	* SIGNAL HANDLING & EXIT HANDLER *
251	* ------------------------------------------------------------------------- */
252	/*
253	* Catch a SIGCHLD signal and exit if the direct child has died
254	*/
255	/* ARGSUSED */
256	/* EXTPROTO */
257	RETSIGTYPE
258	rxvt_Child_signal(int sig __attribute__ ((unused)))
259	{
260	int pid, save_errno = errno;
261	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
262	;
263	errno = save_errno;
264
265	#if 0
266	if (pid == R->cmd_pid)
267	exit (EXIT_SUCCESS);
268	#endif
269	}
270
271	/*
272	* Catch a fatal signal and tidy up before quitting
273	*/
274	/* EXTPROTO */
275	RETSIGTYPE
276	rxvt_Exit_signal(int sig)
277	{
278	signal(sig, SIG_DFL);
279	#ifdef DEBUG_CMD
280	rxvt_print_error("signal %d", sig);
281	#endif
282	rxvt_clean_exit();
283	kill(getpid(), sig);
284	}
285
286	/* ARGSUSED */
287	/* INTPROTO */
288	int
289	rxvt_xerror_handler(const Display * display
290	__attribute__ ((unused)), const XErrorEvent * event)
291	{
292	dR;
293
294	if (R->allowedxerror == -1)
295	R->allowedxerror = event->error_code;
296	else
297	{
298	rxvt_print_error("XError: Request: %d . %d, Error: %d",
299	event->request_code, event->minor_code,
300	event->error_code);
301
302	R->destroy ();
303	}
304
305	return 0;
306	}	360	}
307		361
308	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
309	/*	363	/*
310	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
311	* TODO: if debugging, this should free up any known resources if we can	365	* TODO: if debugging, this should free up any known resources if we can
312	*/	366	*/
313	/* EXTPROTO */	367	static XErrorHandler old_xerror_handler;
		368
		369	static void
		370	rxvt_emergency_cleanup ()
		371	{
		372	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		373	(*t)->emergency_cleanup ();
		374	}
		375
		376	#if ENABLE_FRILLS
		377	static void
		378	print_x_error (Display *dpy, XErrorEvent *event)
		379	{
		380	char buffer[BUFSIZ];
		381	char mesg[BUFSIZ];
		382	char number[32];
		383	char *mtype = "XlibMessage";
		384	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		385	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		386	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		387	rxvt_warn ("%s: %s\n", mesg, buffer);
		388	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		390	sprintf(number, "%d", event->request_code);
		391	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		392	rxvt_warn ("(which is %s)\n", buffer);
		393	if (event->request_code >= 128) {
		394	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		395	mesg, BUFSIZ);
		396	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		397	}
		398	if ((event->error_code == BadWindow) ||
		399	(event->error_code == BadPixmap) ||
		400	(event->error_code == BadCursor) ||
		401	(event->error_code == BadFont) ||
		402	(event->error_code == BadDrawable) ||
		403	(event->error_code == BadColor) ||
		404	(event->error_code == BadGC) ||
		405	(event->error_code == BadIDChoice) ||
		406	(event->error_code == BadValue) ||
		407	(event->error_code == BadAtom)) {
		408	if (event->error_code == BadValue)
		409	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		410	mesg, BUFSIZ);
		411	else if (event->error_code == BadAtom)
		412	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		413	mesg, BUFSIZ);
		414	else
		415	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		416	mesg, BUFSIZ);
		417	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		418	}
		419	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		422	}
		423	#endif
		424
		425	int
		426	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		427	{
		428	if (GET_R->allowedxerror == -1)
		429	GET_R->allowedxerror = event->error_code;
		430	else
		431	{
		432	// GET_R is most likely not the terminal which caused the error,
		433	// so just output the error and continue
		434	#if ENABLE_FRILLS
		435	print_x_error (display, event);
		436	#else
		437	old_xerror_handler (display, event);
		438	#endif
		439	}
		440
		441	return 0;
		442	}
		443
		444	int
		445	rxvt_xioerror_handler (Display *display)
		446	{
		447	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		448	DisplayString (display));
		449	rxvt_emergency_cleanup ();
		450	_exit (EXIT_FAILURE);
		451	}
		452
		453	/*----------------------------------------------------------------------*/
		454	bool
		455	rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
		456	{
		457	this->envv = envv;
		458
		459	SET_R (this);
		460	set_locale ("");
		461	set_environ (envv); // few things in X do not call setlocale :(
		462
		463	if (!init_vars ())
		464	return false;
		465
		466	init_secondary ();
		467
		468	const char **cmd_argv = init_resources (argc, argv);
		469
		470	#ifdef KEYSYM_RESOURCE
		471	keyboard->register_done ();
		472	#endif
		473
		474	#ifdef HAVE_SCROLLBARS
		475	if (OPTION (Opt_scrollBar))
		476	scrollBar.setIdle (); /* set existence for size calculations */
		477	#endif
		478
		479	pty = ptytty::create ();
		480
		481	create_windows (argc, argv);
		482
		483	dDisp;
		484
		485	init_xlocale ();
		486
		487	scr_reset (); // initialize screen
		488
		489	#if 0
		490	XSynchronize (disp, True);
		491	#endif
		492
		493	#ifdef HAVE_SCROLLBARS
		494	if (OPTION (Opt_scrollBar))
		495	resize_scrollbar (); /* create and map scrollbar */
		496	#endif
		497	#ifdef TRANSPARENT
		498	if (OPTION (Opt_transparent))
		499	{
		500	XSelectInput (disp, display->root, PropertyChangeMask);
		501	check_our_parents ();
		502	rootwin_ev.start (display, display->root);
		503	}
		504	#endif
		505
		506	set_colorfgbg ();
		507
		508	init_command (cmd_argv);
		509
		510	free (cmd_argv);
		511
		512	if (pty->pty >= 0)
		513	pty_ev.start (pty->pty, EVENT_READ);
		514
		515	check_ev.start ();
		516
		517	HOOK_INVOKE ((this, HOOK_START, DT_END));
		518
		519	XMapWindow (disp, vt);
		520	XMapWindow (disp, parent[0]);
		521
		522	return true;
		523	}
		524
		525	static struct sig_handlers
		526	{
		527	sig_watcher sw_term, sw_int;
		528
		529	/*
		530	* Catch a fatal signal and tidy up before quitting
		531	*/
314	void	532	void
315	rxvt_clean_exit ()	533	sig_term (sig_watcher &w)
316	{	534	{
317	dR;	535	#ifdef DEBUG_CMD
		536	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		537	#endif
		538	rxvt_emergency_cleanup ();
		539	signal (w.signum, SIG_DFL);
		540	kill (getpid (), w.signum);
		541	}
318		542
319	R->destroy ();	543	sig_handlers ()
		544	: sw_term (this, &sig_handlers::sig_term),
		545	sw_int (this, &sig_handlers::sig_term)
		546	{
		547	}
		548	} sig_handlers;
		549
		550	char **rxvt_environ; // startup environment
		551
		552	void
		553	rxvt_init ()
		554	{
		555	ptytty::init ();
		556
		557	rxvt_environ = environ;
		558
		559	signal (SIGHUP, SIG_IGN);
		560	signal (SIGPIPE, SIG_IGN);
		561
		562	sig_handlers.sw_term.start (SIGTERM);
		563	sig_handlers.sw_int.start (SIGINT);
		564
		565	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		566	/* signal (SIGURG, SIG_DFL); */
		567
		568	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		569	// TODO: handle this with exceptions and tolerate the memory loss
		570	XSetIOErrorHandler (rxvt_xioerror_handler);
		571
		572	XrmInitialize ();
320	}	573	}
321		574
322	/* ------------------------------------------------------------------------- *	575	/* ------------------------------------------------------------------------- *
323	* MEMORY ALLOCATION WRAPPERS *	576	* MEMORY ALLOCATION WRAPPERS *
324	* ------------------------------------------------------------------------- */	577	* ------------------------------------------------------------------------- */
325	/* EXTPROTO */	578	void *
326	void *
327	rxvt_malloc(size_t size)	579	rxvt_malloc (size_t size)
328	{	580	{
329	void *p;
330
331	p = malloc(size);	581	void *p = malloc (size);
		582
332	if (p)	583	if (!p)
		584	rxvt_fatal ("memory allocation failure. aborting.\n");
		585
333	return p;	586	return p;
334
335	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
336	rxvt_clean_exit();
337	exit(EXIT_FAILURE);
338	/* NOTREACHED */
339	}	587	}
340		588
341	/* EXTPROTO */	589	void *
342	void *
343	rxvt_calloc(size_t number, size_t size)	590	rxvt_calloc (size_t number, size_t size)
344	{	591	{
345	void *p;
346
347	p = calloc(number, size);	592	void *p = calloc (number, size);
		593
348	if (p)	594	if (!p)
		595	rxvt_fatal ("memory allocation failure. aborting.\n");
		596
349	return p;	597	return p;
350
351	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
352	rxvt_clean_exit();
353	exit(EXIT_FAILURE);
354	/* NOTREACHED */
355	}	598	}
356		599
357	/* EXTPROTO */	600	void *
358	void *
359	rxvt_realloc(void *ptr, size_t size)	601	rxvt_realloc (void *ptr, size_t size)
360	{	602	{
361	void *p;
362
363	if (ptr)
364	p = realloc(ptr, size);	603	void *p = realloc (ptr, size);
365	else	604
366	p = malloc(size);
367	if (p)	605	if (!p)
		606	rxvt_fatal ("memory allocation failure. aborting.\n");
		607
368	return p;	608	return p;
369
370	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
371	rxvt_clean_exit();
372	exit(EXIT_FAILURE);
373	/* NOTREACHED */
374	}	609	}
375
376	/* ------------------------------------------------------------------------- *
377	* PRIVILEGED OPERATIONS *
378	* ------------------------------------------------------------------------- */
379	/* take care of suid/sgid super-user (root) privileges */
380	/* INTPROTO */
381	void
382	rxvt_privileges(pR_ int mode)
383	{
384	#if ! defined(__CYGWIN32__)
385	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
386	/* setreuid() is the poor man's setuid(), seteuid() */
387	# define seteuid(a) setreuid(-1, (a))
388	# define setegid(a) setregid(-1, (a))
389	# define HAVE_SETEUID
390	# endif
391	# ifdef HAVE_SETEUID
392	switch (mode) {
393	case IGNORE:
394	/*
395	* change effective uid/gid - not real uid/gid - so we can switch
396	* back to root later, as required
397	*/
398	seteuid(getuid());
399	setegid(getgid());
400	break;
401	case SAVE:
402	R->euid = geteuid();
403	R->egid = getegid();
404	break;
405	case RESTORE:
406	seteuid(R->euid);
407	setegid(R->egid);
408	break;
409	}
410	# else
411	switch (mode) {
412	case IGNORE:
413	setuid(getuid());
414	setgid(getgid());
415	/* FALLTHROUGH */
416	case SAVE:
417	/* FALLTHROUGH */
418	case RESTORE:
419	break;
420	}
421	# endif
422	#endif
423	}
424
425	#ifdef UTMP_SUPPORT
426	/* EXTPROTO */
427	void
428	rxvt_privileged_utmp(pR_ char action)
429	{
430	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
431	action, R->next_utmp_action, getpid()));
432	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
433	|| (R->Options & Opt_utmpInhibit)
434	|| R->ttydev == NULL || *R->ttydev == '\0')
435	return;
436
437	rxvt_privileges(aR_ RESTORE);
438	if (action == SAVE) {
439	R->next_utmp_action = RESTORE;
440	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
441	} else { /* action == RESTORE */
442	R->next_utmp_action = IGNORE;
443	rxvt_cleanutent(aR);
444	}
445	rxvt_privileges(aR_ IGNORE);
446	}
447	#endif
448
449	#ifndef NO_SETOWNER_TTYDEV
450	/* EXTPROTO */
451	void
452	rxvt_privileged_ttydev(pR_ char action)
453	{
454	D_MAIN((stderr,
455	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
456	action, R->next_tty_action, getpid()));
457	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
458	|| R->ttydev == NULL || *R->ttydev == '\0')
459	return;
460
461	rxvt_privileges(aR_ RESTORE);
462
463	if (action == SAVE) {
464	R->next_tty_action = RESTORE;
465	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
466	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
467	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
468	R->next_tty_action = IGNORE;
469	else
470	# endif
471	{
472	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
473	chmod(R->ttydev, R->ttymode);
474	# ifdef HAVE_REVOKE
475	revoke(R->ttydev);
476	# endif
477	}
478	} else { /* action == RESTORE */
479	R->next_tty_action = IGNORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	chmod(R->ttydev, R->ttyfd_stat.st_mode);
482	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
483	# else
484	chmod(R->ttydev,
485	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
486	chown(R->ttydev, 0, 0);
487	# endif
488	}
489
490	rxvt_privileges(aR_ IGNORE);
491
492	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
493	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
494	action == RESTORE ? "Restoring" : (action ==
495	SAVE ? "Saving" :
496	"UNKNOWN ERROR for"), R->ttydev,
497	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
498	R->ttyfd_stat.st_gid));
499	# endif
500	}
501	#endif
502		610
503	/*----------------------------------------------------------------------*/	611	/*----------------------------------------------------------------------*/
504	/*	612	/*
505	* window size/position calculcations for XSizeHint and other storage.	613	* window size/position calculcations for XSizeHint and other storage.
506	* if width/height are non-zero then override calculated width/height	614	* if width/height are non-zero then override calculated width/height
507	*/	615	*/
508	/* EXTPROTO */
509	void	616	void
510	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	617	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
511	{	618	{
512	short recalc_x, recalc_y;	619	short recalc_x, recalc_y;
513	int x, y, sb_w, mb_h, flags;	620	int x, y, sb_w, flags;
514	unsigned int w, h;	621	unsigned int w, h;
515	unsigned int max_width, max_height;	622	unsigned int max_width, max_height;
		623	dDisp;
516		624
517	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	625	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
518	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	626	ncol, nrow, szHint.width, szHint.height));
519	R->szHint.height));	627
520	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	628	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
521	R->szHint.win_gravity = NorthWestGravity;	629	szHint.win_gravity = NorthWestGravity;
522	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	630	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
523		631
524	recalc_x = recalc_y = 0;	632	recalc_x = recalc_y = 0;
525	flags = 0;	633	flags = 0;
		634
526	if (!R->parsed_geometry) {	635	if (!parsed_geometry)
		636	{
527	R->parsed_geometry = 1;	637	parsed_geometry = 1;
		638
528	if (R->rs[Rs_geometry])	639	if (rs[Rs_geometry])
529	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	640	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		641
530	if (flags & WidthValue) {	642	if (flags & WidthValue)
531	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	643	{
		644	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
532	R->szHint.flags |= USSize;	645	szHint.flags |= USSize;
533	}	646	}
		647
534	if (flags & HeightValue) {	648	if (flags & HeightValue)
535	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	649	{
		650	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
536	R->szHint.flags |= USSize;	651	szHint.flags |= USSize;
537	}	652	}
		653
538	if (flags & XValue) {	654	if (flags & XValue)
		655	{
539	R->szHint.x = x;	656	szHint.x = x;
540	R->szHint.flags |= USPosition;	657	szHint.flags |= USPosition;
		658
541	if (flags & XNegative) {	659	if (flags & XNegative)
		660	{
542	recalc_x = 1;	661	recalc_x = 1;
543	R->szHint.win_gravity = NorthEastGravity;	662	szHint.win_gravity = NorthEastGravity;
544	}	663	}
545	}	664	}
		665
546	if (flags & YValue) {	666	if (flags & YValue)
		667	{
547	R->szHint.y = y;	668	szHint.y = y;
548	R->szHint.flags |= USPosition;	669	szHint.flags |= USPosition;
		670
549	if (flags & YNegative) {	671	if (flags & YNegative)
		672	{
550	recalc_y = 1;	673	recalc_y = 1;
		674
551	if (R->szHint.win_gravity == NorthEastGravity)	675	if (szHint.win_gravity == NorthEastGravity)
552	R->szHint.win_gravity = SouthEastGravity;	676	szHint.win_gravity = SouthEastGravity;
553	else	677	else
554	R->szHint.win_gravity = SouthWestGravity;	678	szHint.win_gravity = SouthWestGravity;
555	}	679	}
556	}	680	}
557	}	681	}
		682
558	/* TODO: BOUNDS */	683	/* TODO: BOUNDS */
559	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	684	width = ncol * fwidth;
560	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	685	height = nrow * fheight;
561	max_width = MAX_COLS * R->TermWin.fwidth;	686	max_width = MAX_COLS * fwidth;
562	max_height = MAX_ROWS * R->TermWin.fheight;	687	max_height = MAX_ROWS * fheight;
563		688
564	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	689	szHint.base_width = szHint.base_height = 2 * int_bwidth;
565		690
566	sb_w = mb_h = 0;	691	sb_w = 0;
567	R->window_vt_x = R->window_vt_y = 0;	692	window_vt_x = window_vt_y = int_bwidth;
568	if (scrollbar_visible(R)) {	693
		694	if (scrollBar.state)
		695	{
569	sb_w = scrollbar_TotalWidth();	696	sb_w = scrollbar_TotalWidth ();
570	R->szHint.base_width += sb_w;	697	szHint.base_width += sb_w;
571	if (!(R->Options & Opt_scrollBar_right))	698	if (!OPTION (Opt_scrollBar_right))
572	R->window_vt_x = sb_w;	699	window_vt_x += sb_w;
573	}	700	}
574	if (menubar_visible(R)) {	701
575	mb_h = menuBar_TotalHeight();
576	R->szHint.base_height += mb_h;
577	R->window_vt_y = mb_h;
578	}
579	R->szHint.width_inc = R->TermWin.fwidth;	702	szHint.width_inc = fwidth;
580	R->szHint.height_inc = R->TermWin.fheight;	703	szHint.height_inc = fheight;
581	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	704	szHint.min_width = szHint.base_width + szHint.width_inc;
582	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	705	szHint.min_height = szHint.base_height + szHint.height_inc;
583		706
584	if (width && width - R->szHint.base_width < max_width) {	707	if (newwidth && newwidth - szHint.base_width < max_width)
		708	{
585	R->szHint.width = width;	709	szHint.width = newwidth;
586	R->TermWin.width = width - R->szHint.base_width;	710	width = newwidth - szHint.base_width;
587	} else {	711	}
588	MIN_IT(R->TermWin.width, max_width);	712	else
		713	{
		714	min_it (width, max_width);
589	R->szHint.width = R->szHint.base_width + R->TermWin.width;	715	szHint.width = szHint.base_width + width;
590	}	716	}
		717
591	if (height && height - R->szHint.base_height < max_height) {	718	if (newheight && newheight - szHint.base_height < max_height)
		719	{
592	R->szHint.height = height;	720	szHint.height = newheight;
593	R->TermWin.height = height - R->szHint.base_height;	721	height = newheight - szHint.base_height;
594	} else {	722	}
595	MIN_IT(R->TermWin.height, max_height);	723	else
		724	{
		725	min_it (height, max_height);
596	R->szHint.height = R->szHint.base_height + R->TermWin.height;	726	szHint.height = szHint.base_height + height;
597	}	727	}
598	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	728
		729	if (scrollBar.state && OPTION (Opt_scrollBar_right))
599	R->window_sb_x = R->szHint.width - sb_w;	730	window_sb_x = szHint.width - sb_w;
600		731
601	if (recalc_x)	732	if (recalc_x)
602	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	733	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
603	- R->szHint.width - 2 * R->TermWin.ext_bwidth);
604	if (recalc_y)	734	if (recalc_y)
605	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	735	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
606	- R->szHint.height - 2 * R->TermWin.ext_bwidth);
607		736
608	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	737	ncol = width / fwidth;
609	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	738	nrow = height / fheight;
610	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	739	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
611	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	740	ncol, nrow, szHint.width,
612	R->szHint.height));	741	szHint.height));
613	return;	742	return;
614	}	743	}
615		744
616	/*----------------------------------------------------------------------*/	745	/*----------------------------------------------------------------------*/
617	/*	746	/*
618	* Tell the teletype handler what size the window is.	747	* Tell the teletype handler what size the window is.
619	* Called after a window size change.	748	* Called after a window size change.
620	*/	749	*/
621	void	750	void
622	rxvt_term::tt_winch ()	751	rxvt_term::tt_winch ()
623	{	752	{
624	struct winsize ws;	753	if (pty->pty < 0)
625
626	if (cmd_fd < 0)
627	return;	754	return;
628		755
		756	struct winsize ws;
		757
629	ws.ws_col = TermWin.ncol;	758	ws.ws_col = ncol;
630	ws.ws_row = TermWin.nrow;	759	ws.ws_row = nrow;
631	ws.ws_xpixel = ws.ws_ypixel = 0;	760	ws.ws_xpixel = width;
632	#ifndef DEBUG_SIZE	761	ws.ws_ypixel = height;
633	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	762	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
634	#else	763
635	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	764	#if 0
636	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	765	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
637	# ifdef SIGWINCH
638	else if (cmd_pid) /* force through to the command */	766	if (cmd_pid) /* force through to the command */
639	kill (cmd_pid, SIGWINCH);	767	kill (-cmd_pid, SIGWINCH);
640	# endif
641	#endif	768	#endif
642	}	769	}
643		770
644	/*----------------------------------------------------------------------*/	771	/*----------------------------------------------------------------------*/
645	/* rxvt_change_font() - Switch to a new font */	772	/* set_fonts () - load and set the various fonts
646	/*	773	*
647	* init = 1 - initialize	774	* init = 1 - initialize
648	*	775	*
649	* fontname == FONT_UP - switch to bigger font	776	* fontname == FONT_UP - switch to bigger font
650	* fontname == FONT_DN - switch to smaller font	777	* fontname == FONT_DN - switch to smaller font
651	*/	778	*/
652	/* EXTPROTO */	779	bool
653	void	780	rxvt_term::set_fonts ()
654	rxvt_change_font(pR_ int init, const char *fontname)
655	{	781	{
656	}	782	rxvt_fontset *fs = new rxvt_fontset (this);
		783	rxvt_fontprop prop;
657		784
658	/* INTPROTO */	785	if (!fs
659	void	786	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
660	rxvt_font_up_down(pR_ int n, int direction)	787	|| !fs->realize_font (1))
		788	{
		789	delete fs;
		790	return false;
		791	}
		792
		793	#if ENABLE_STYLES
		794	for (int i = RS_styleCount; --i; )
		795	if (fontset[i] != fontset[0])
		796	delete fontset[i];
		797	#endif
		798
		799	delete fontset[0];
		800	fontset[0] = fs;
		801
		802	prop = (*fs)[1]->properties ();
		803	prop.height += lineSpace;
		804	fs->set_prop (prop);
		805
		806	fwidth = prop.width;
		807	fheight = prop.height;
		808	fbase = prop.ascent;
		809
		810	for (int style = 1; style < 4; style++)
		811	{
		812	#if ENABLE_STYLES
		813	const char *res = rs[Rs_font + style];
		814
		815	if (res && !*res)
		816	fontset[style] = fontset[0];
		817	else
		818	{
		819	fontset[style] = fs = new rxvt_fontset (this);
		820	rxvt_fontprop prop2 = prop;
		821
		822	if (res)
		823	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		824	else
		825	{
		826	res = fontset[0]->fontdesc;
		827
		828	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		829	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		830	}
		831
		832	fs->populate (res);
		833	fs->set_prop (prop2);
		834	}
		835	#else
		836	fontset[style] = fontset[0];
		837	#endif
		838	}
		839
		840	if (parent[0])
		841	{
		842	resize_all_windows (0, 0, 0);
		843	scr_remap_chars ();
		844	scr_touch (true);
		845	}
		846
		847	return true;
		848	}
		849
		850	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
661	{	851	{
		852	XChangeProperty (display->display, parent[0],
		853	prop, XA_STRING, 8, PropModeReplace,
		854	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		855	}
		856
		857	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		858	{
		859	wchar_t *ws = rxvt_mbstowcs (str, len);
		860	char *s = rxvt_wcstoutf8 (ws);
		861
		862	XChangeProperty (display->display, parent[0],
		863	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		864	(const unsigned char *)s, strlen (s));
		865
		866	free (s);
		867	free (ws);
662	}	868	}
663		869
664	/*----------------------------------------------------------------------*/	870	/*----------------------------------------------------------------------*/
665	/*----------------------------------------------------------------------*/	871	/*----------------------------------------------------------------------*/
666	/* xterm sequences - title, iconName, color (exptl) */	872	/* xterm sequences - title, iconName, color (exptl) */
667	/* EXTPROTO */
668	void	873	void
669	rxvt_set_title(pR_ const char *str)	874	rxvt_term::set_title (const char *str)
670	{	875	{
671	#ifndef SMART_WINDOW_TITLE	876	set_string_property (XA_WM_NAME, str);
672	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	877	#if ENABLE_EWMH
		878	set_utf8_property (xa[XA_NET_WM_NAME], str);
		879	#endif
		880	}
		881
		882	void
		883	rxvt_term::set_icon_name (const char *str)
		884	{
		885	set_string_property (XA_WM_ICON_NAME, str);
		886	#if ENABLE_EWMH
		887	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		888	#endif
		889	}
		890
		891	#ifdef XTERM_COLOR_CHANGE
		892	void
		893	rxvt_term::set_window_color (int idx, const char *color)
		894	{
		895	rxvt_color xcol;
		896	int i;
		897
		898	if (color == NULL || *color == '\0')
		899	return;
		900
		901	/* handle color aliases */
		902	if (isdigit (*color))
		903	{
		904	i = atoi (color);
		905
		906	if (i >= 8 && i <= 15)
		907	{ /* bright colors */
		908	i -= 8;
		909	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		910	SET_PIXCOLOR (idx);
		911	goto done;
		912	}
		913
		914	if (i >= 0 && i <= 7)
		915	{ /* normal colors */
		916	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		917	SET_PIXCOLOR (idx);
		918	goto done;
		919	}
		920	}
		921
		922	if (!rXParseAllocColor (&xcol, color))
		923	return;
		924
		925	/* XStoreColor (display->display, display->cmap, XColor*); */
		926
		927	/*
		928	* FIXME: should free colors here, but no idea how to do it so instead,
		929	* so just keep gobbling up the colormap
		930	*/
		931	# if 0
		932	for (i = Color_Black; i <= Color_White; i++)
		933	if (pix_colors[idx] == pix_colors[i])
		934	break;
		935	if (i > Color_White)
		936	{
		937	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		938	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		939	DisplayPlanes (display->display, display->screen));
		940	}
		941	# endif
		942
		943	pix_colors_focused[idx] = xcol;
		944	SET_PIXCOLOR (idx);
		945
		946	/* XSetWindowAttributes attr; */
		947	/* Cursor cursor; */
		948	done:
		949
		950	#if OFF_FOCUS_FADING
		951	if (rs[Rs_fade])
		952	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		953	#endif
		954
		955	/*TODO: handle Color_BD, scrollbar background, etc. */
		956
		957	recolour_cursor ();
		958	scr_recolour ();
		959	}
		960
673	#else	961	#else
674	char *name;
675
676	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
677	name = NULL;
678	if (name == NULL || STRCMP(name, str))
679	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
680	if (name)
681	XFree(name);
682	#endif
683	}
684
685	/* EXTPROTO */
686	void
687	rxvt_set_iconName(pR_ const char *str)
688	{
689	#ifndef SMART_WINDOW_TITLE
690	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
691	#else
692	char *name;
693
694	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
695	name = NULL;
696	if (name == NULL || STRCMP(name, str))
697	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
698	if (name)
699	XFree(name);
700	#endif
701	}
702
703	#ifdef XTERM_COLOR_CHANGE
704	/* EXTPROTO */
705	void
706	rxvt_set_window_color(pR_ int idx, const char *color)
707	{
708	rxvt_color xcol;
709	int i;
710
711	if (color == NULL || *color == '\0')
712	return;
713
714	/* handle color aliases */
715	if (isdigit(*color)) {
716	i = atoi(color);
717	if (i >= 8 && i <= 15) { /* bright colors */
718	i -= 8;
719	# ifndef NO_BRIGHTCOLOR
720	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
721	SET_PIXCOLOR(R, idx);
722	goto Done;
723	# endif
724	}
725	if (i >= 0 && i <= 7) { /* normal colors */
726	R->PixColors[idx] = R->PixColors[minCOLOR + i];
727	SET_PIXCOLOR(R, idx);
728	goto Done;
729	}
730	}
731	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
732	return;
733	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
734
735	/*
736	* FIXME: should free colors here, but no idea how to do it so instead,
737	* so just keep gobbling up the colormap
738	*/
739	# if 0
740	for (i = Color_Black; i <= Color_White; i++)
741	if (R->PixColors[idx] == R->PixColors[i])
742	break;
743	if (i > Color_White) {
744	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
745	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
746	DisplayPlanes(R->Xdisplay, Xscreen));
747	}
748	# endif
749
750	R->PixColors[idx] = xcol;
751	SET_PIXCOLOR(R, idx);
752
753	/* XSetWindowAttributes attr; */
754	/* Cursor cursor; */
755	Done:
756	if (idx == Color_bg && !(R->Options & Opt_transparent))
757	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
758	R->PixColors[Color_bg]);
759
760	/* handle Color_BD, scrollbar background, etc. */
761
762	rxvt_set_colorfgbg(aR);
763	rxvt_recolour_cursor(aR);
764	/* the only reasonable way to enforce a clean update */
765	rxvt_scr_poweron(aR);
766	}
767
768	#else
769	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	962	# define set_window_color (idx,color) ((void)0)
770	#endif /* XTERM_COLOR_CHANGE */	963	#endif /* XTERM_COLOR_CHANGE */
771		964
772	/* EXTPROTO */
773	void	965	void
774	rxvt_recolour_cursor(pR)	966	rxvt_term::recolour_cursor ()
775	{	967	{
776	rxvt_color xcol[2];	968	XColor xcol[2];
777		969
778	#if TODO	970	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
779	xcol[0] = R->PixColors[Color_pointer];	971	? pix_colors_focused[Color_pointer_fg]
780	xcol[1] = R->PixColors[Color_bg];	972	: pix_colors_focused[Color_fg];
781	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	973	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		974	? pix_colors_focused[Color_pointer_bg]
		975	: pix_colors_focused[Color_bg];
		976
		977	XQueryColors (display->display, display->cmap, xcol, 2);
782	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	978	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
783	#endif
784	}	979	}
785		980
786	/*----------------------------------------------------------------------*/	981	/*----------------------------------------------------------------------*/
787	/*	982	/*
788	* find if fg/bg matches any of the normal (low-intensity) colors	983	* find if fg/bg matches any of the normal (low-intensity) colors
789	*/	984	*/
790	/* INTPROTO */
791	void	985	void
792	rxvt_set_colorfgbg(pR)	986	rxvt_term::set_colorfgbg ()
793	{	987	{
794	unsigned int i;	988	unsigned int i;
795	const char *xpmb = "\0";	989	const char *xpmb = "\0";
796	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	990	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
797		991
798	R->env_colorfgbg =
799	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	992	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
800	STRCPY(fstr, "default");	993	strcpy (fstr, "default");
801	STRCPY(bstr, "default");	994	strcpy (bstr, "default");
802	for (i = Color_Black; i <= Color_White; i++)	995	for (i = Color_Black; i <= Color_White; i++)
803	if (R->PixColors[Color_fg] == R->PixColors[i]) {	996	if (pix_colors[Color_fg] == pix_colors[i])
		997	{
804	sprintf(fstr, "%d", (i - Color_Black));	998	sprintf (fstr, "%d", (i - Color_Black));
805	break;	999	break;
806	}	1000	}
		1001
807	for (i = Color_Black; i <= Color_White; i++)	1002	for (i = Color_Black; i <= Color_White; i++)
808	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1003	if (pix_colors[Color_bg] == pix_colors[i])
		1004	{
809	sprintf(bstr, "%d", (i - Color_Black));	1005	sprintf (bstr, "%d", (i - Color_Black));
810	#ifdef XPM_BACKGROUND	1006	#ifdef XPM_BACKGROUND
811	xpmb = "default;";	1007	xpmb = "default;";
812	#endif	1008	#endif
813	break;	1009	break;
814	}	1010	}
		1011
815	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1012	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
816	putenv(R->env_colorfgbg);
817
818	#ifndef NO_BRIGHTCOLOR
819	R->colorfgbg = DEFAULT_RSTYLE;
820	for (i = minCOLOR; i <= maxCOLOR; i++) {
821	if (R->PixColors[Color_fg] == R->PixColors[i])
822	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
823	if (R->PixColors[Color_bg] == R->PixColors[i])
824	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
825	}
826	#endif
827	}	1013	}
828		1014
829	/*----------------------------------------------------------------------*/	1015	/*----------------------------------------------------------------------*/
830	/*
831	* Colour determination for low colour displays, routine from
832	* Hans de Goede <hans@highrise.nl>
833	*/
834		1016
835	/* EXTPROTO */
836	int	1017	int
837	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1018	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
838	{	1019	{
839	screen_in_out->set(aR_ colour);
840
841	if (!screen_in_out->set(aR_ colour)) {	1020	if (!screen_in_out->set (display, colour))
842	rxvt_print_error("can't allocate colour: %s", colour);	1021	{
		1022	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
843	return false;	1023	return false;
844	}	1024	}
845		1025
846	return true;	1026	return true;
847	}	1027	}
848		1028
849	/* -------------------------------------------------------------------- *	1029	/* -------------------------------------------------------------------- *
850	* - WINDOW RESIZING - *	1030	* - WINDOW RESIZING - *
851	* -------------------------------------------------------------------- */	1031	* -------------------------------------------------------------------- */
852	/* EXTPROTO */
853	void	1032	void
854	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1033	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
855	int ignoreparent)
856	{	1034	{
857	int fix_screen;	1035	int fix_screen;
		1036	int old_width = szHint.width;
		1037	int old_height = szHint.height;
		1038	dDisp;
858		1039
		1040	window_calc (newwidth, newheight);
		1041	XSetWMNormalHints (disp, parent[0], &szHint);
		1042
		1043	if (!ignoreparent)
		1044	{
859	#ifdef SMART_RESIZE	1045	#ifdef SMART_RESIZE
860	int old_width = R->szHint.width, old_height = R->szHint.height;	1046	/*
861	#endif
862
863	rxvt_window_calc(aR_ width, height);
864	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
865	if (!ignoreparent) {
866	#ifdef SMART_RESIZE
867	/*
868	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1047	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
869	* reposition window on resize depending on placement on screen	1048	* reposition window on resize depending on placement on screen
870	*/	1049	*/
871	int x, y, x1, y1;	1050	int x, y, x1, y1;
872	int dx, dy;	1051	int dx, dy;
873	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1052	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
874	Window unused_cr;	1053	Window unused_cr;
875		1054
876	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1055	XTranslateCoordinates (disp, parent[0], display->root,
877	0, 0, &x, &y, &unused_cr);	1056	0, 0, &x, &y, &unused_cr);
878	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1057	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
879	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1058	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
880	/*	1059	/*
881	* if Xroot isn't the parent window, a WM will probably have offset	1060	* if display->root isn't the parent window, a WM will probably have offset
882	* our position for handles and decorations. Counter it	1061	* our position for handles and decorations. Counter it
883	*/	1062	*/
884	if (x1 != x || y1 != y) {	1063	if (x1 != x || y1 != y)
		1064	{
885	x -= x1;	1065	x -= x1;
886	y -= y1;	1066	y -= y1;
887	}	1067	}
888		1068
889	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1069	x1 = (DisplayWidth (disp, display->screen) - old_width ) / 2;
890	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1070	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
891	dx = old_width - R->szHint.width;	1071	dx = old_width - szHint.width;
892	dy = old_height - R->szHint.height;	1072	dy = old_height - szHint.height;
893		1073
894	/* Check position of the center of the window */	1074	/* Check position of the center of the window */
895	if (x < x1) /* left half */	1075	if (x < x1) /* left half */
896	dx = 0;	1076	dx = 0;
897	else if (x == x1) /* exact center */	1077	else if (x == x1) /* exact center */
898	dx /= 2;	1078	dx /= 2;
899	if (y < y1) /* top half */	1079	if (y < y1) /* top half */
900	dy = 0;	1080	dy = 0;
901	else if (y == y1) /* exact center */	1081	else if (y == y1) /* exact center */
902	dy /= 2;	1082	dy /= 2;
903		1083
904	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1084	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
905	R->szHint.width, R->szHint.height);	1085	szHint.width, szHint.height);
906	#else	1086	#else
907	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1087	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
908	R->szHint.height);
909	#endif	1088	#endif
910	}	1089	}
911		1090
912	fix_screen = (R->TermWin.ncol != R->prev_ncol	1091	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
913	|| R->TermWin.nrow != R->prev_nrow);	1092
914	if (fix_screen || width != R->old_width || height != R->old_height) {	1093	if (fix_screen || newwidth != old_width || newheight != old_height)
915	if (scrollbar_visible(R)) {	1094	{
		1095	if (scrollBar.state)
		1096	{
916	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1097	XMoveResizeWindow (disp, scrollBar.win,
		1098	window_sb_x, 0,
917	0, scrollbar_TotalWidth(), R->szHint.height);	1099	scrollbar_TotalWidth (), szHint.height);
918	rxvt_Resize_scrollBar(aR);	1100	resize_scrollbar ();
919	}	1101	}
920	if (menubar_visible(R))	1102
921	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1103	XMoveResizeWindow (disp, vt,
922	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1104	window_vt_x, window_vt_y,
923	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
924	R->window_vt_y, TermWin_TotalWidth(),
925	TermWin_TotalHeight());	1105	width, height);
926	#ifdef RXVT_GRAPHICS	1106
927	if (R->old_height)
928	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
929	R->old_height - R->szHint.base_height);
930	#endif
931	rxvt_scr_clear(aR);	1107	scr_clear ();
932	#ifdef XPM_BACKGROUND	1108	#ifdef XPM_BACKGROUND
933	rxvt_resize_pixmap(aR);	1109	resize_pixmap ();
934	#endif	1110	#endif
935	}	1111	}
936		1112
937	if (fix_screen || R->old_height == 0) {	1113	if (fix_screen || old_height == 0)
938	int curr_screen = -1;	1114	scr_reset ();
939	uint16_t old_ncol = R->prev_ncol;
940		1115
941	/* scr_reset only works on the primary screen */	1116	#ifdef XPM_BACKGROUND
942	if (R->old_height) /* this is not the first time through */	1117	if (pixmap)
943	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1118	scr_touch (false);
944	rxvt_scr_reset(aR);	1119	#endif
945	if (curr_screen >= 0) { /* this is not the first time through */
946	rxvt_scr_change_screen(aR_ curr_screen);
947	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
948	}
949	}
950
951	R->old_width = R->szHint.width;
952	R->old_height = R->szHint.height;
953		1120
954	#ifdef USE_XIM	1121	#ifdef USE_XIM
955	rxvt_IMSetStatusPosition(aR);	1122	IMSetStatusPosition ();
956	#endif	1123	#endif
957	}	1124	}
958		1125
959	/*	1126	/*
960	* Set the width/height of the vt window in characters. Units are pixels.	1127	* Set the width/height of the vt window in characters. Units are pixels.
961	* good for toggling 80/132 columns	1128	* good for toggling 80/132 columns
962	*/	1129	*/
963	/* EXTPROTO */
964	void	1130	void
965	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1131	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
966	{	1132	{
967	XWindowAttributes wattr;	1133	XWindowAttributes wattr;
968		1134
969	if (width == 0 || height == 0) {	1135	if (newwidth == 0 || newheight == 0)
		1136	{
970	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1137	XGetWindowAttributes (display->display, display->root, &wattr);
		1138
971	if (width == 0)	1139	if (newwidth == 0)
972	width = wattr.width - R->szHint.base_width;	1140	newwidth = wattr.width - szHint.base_width;
973	if (height == 0)	1141	if (newheight == 0)
974	height = wattr.height - R->szHint.base_height;	1142	newheight = wattr.height - szHint.base_height;
		1143	}
		1144
		1145	if (newwidth != width || newheight != height)
975	}	1146	{
976	if (width != R->TermWin.width || height != R->TermWin.height) {
977	width += R->szHint.base_width;	1147	newwidth += szHint.base_width;
978	height += R->szHint.base_height;	1148	newheight += szHint.base_height;
979	rxvt_resize_all_windows(aR_ width, height, 0);	1149	resize_all_windows (newwidth, newheight, 0);
980	}	1150	}
981	}	1151	}
982		1152
983	/* -------------------------------------------------------------------- *	1153	/* -------------------------------------------------------------------- *
984	* - X INPUT METHOD ROUTINES - *	1154	* - X INPUT METHOD ROUTINES - *
985	* -------------------------------------------------------------------- */	1155	* -------------------------------------------------------------------- */
986	#ifdef USE_XIM	1156	#ifdef USE_XIM
987	/* INTPROTO */
988	void
989	rxvt_setSize(pR_ XRectangle * size)
990	{
991	size->x = R->TermWin.int_bwidth;
992	size->y = R->TermWin.int_bwidth;
993	size->width = Width2Pixel(R->TermWin.ncol);
994	size->height = Height2Pixel(R->TermWin.nrow);
995	}
996		1157
997	/* INTPROTO */
998	void	1158	void
999	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1159	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1000	{	1160	{
1001	*fg = R->PixColors[Color_fg];	1161	fg = pix_colors[Color_fg];
1002	*bg = R->PixColors[Color_bg];	1162	bg = pix_colors[Color_bg];
		1163	}
		1164
		1165	void
		1166	rxvt_term::im_set_size (XRectangle &size)
		1167	{
		1168	// the int_bwidth terms make no sense to me
		1169	size.x = int_bwidth;
		1170	size.y = int_bwidth;
		1171	size.width = Width2Pixel (ncol) + int_bwidth;
		1172	size.height = Height2Pixel (nrow) + int_bwidth;
		1173	}
		1174
		1175	void
		1176	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1177	XRectangle &status_rect,
		1178	const XRectangle &needed_rect)
		1179	{
		1180	preedit_rect.x = needed_rect.width;
		1181	preedit_rect.y = 0;
		1182	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1183	preedit_rect.height = fheight;
		1184
		1185	status_rect.x = 0;
		1186	status_rect.y = 0;
		1187	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1188	status_rect.height = fheight;
1003	}	1189	}
1004		1190
1005	/* Checking whether input method is running. */	1191	/* Checking whether input method is running. */
1006	/* INTPROTO */
1007	Bool	1192	bool
1008	rxvt_IMisRunning(pR)	1193	rxvt_term::IMisRunning ()
1009	{	1194	{
1010	char *p;	1195	char *p;
1011	Atom atom;	1196	Atom atom;
1012	Window win;	1197	Window win;
1013	char server[IMBUFSIZ];	1198	char server[IMBUFSIZ];
1014		1199
1015	/* get current locale modifier */	1200	/* get current locale modifier */
1016	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1201	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1202	{
1017	STRCPY(server, "@server=");	1203	strcpy (server, "@server=");
1018	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1204	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1205
1019	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1206	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1020	*p = '\0';	1207	*p = '\0';
1021		1208
1022	atom = XInternAtom(R->Xdisplay, server, False);	1209	atom = XInternAtom (display->display, server, False);
1023	win = XGetSelectionOwner(R->Xdisplay, atom);	1210	win = XGetSelectionOwner (display->display, atom);
		1211
1024	if (win != None)	1212	if (win != None)
1025	return True;	1213	return True;
1026	}	1214	}
		1215
1027	return False;	1216	return False;
1028	}	1217	}
1029		1218
1030	/* EXTPROTO */
1031	void	1219	void
1032	rxvt_IMSendSpot(pR)	1220	rxvt_term::IMSendSpot ()
1033	{	1221	{
1034	XPoint spot;	1222	XPoint nspot;
1035	XVaNestedList preedit_attr;	1223	XVaNestedList preedit_attr;
1036		1224
1037	if (R->Input_Context == NULL	1225	if (!Input_Context
		1226	|| !focus
1038	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1227	|| !(input_style & XIMPreeditPosition))
1039	|| !(R->event_type == KeyPress
1040	|| R->event_type == Expose
1041	|| R->event_type == NoExpose
1042	|| R->event_type == SelectionNotify
1043	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1044	|| !rxvt_IMisRunning(aR))
1045	return;	1228	return;
1046		1229
1047	rxvt_setPosition(aR_ & spot);	1230	im_set_position (nspot);
1048		1231
		1232	if (nspot.x == spot.x && nspot.y == spot.y)
		1233	return;
		1234
		1235	spot = nspot;
		1236
1049	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1237	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1050	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1238	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1051	XFree(preedit_attr);	1239	XFree (preedit_attr);
1052	}	1240	}
1053		1241
1054	/* EXTPROTO */
1055	void	1242	void
1056	rxvt_setTermFontSet(pR_ int idx)	1243	rxvt_term::im_destroy ()
1057	{	1244	{
1058	char *string;	1245	if (input_method)
1059	long length;
1060	int success = 0;
1061
1062	if (idx < 0 || idx >= MAX_NFONTS)
1063	return;
1064	}
1065
1066	/* INTPROTO */
1067	void
1068	rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1069	XRectangle * needed_rect)
1070	{
1071	int mbh, vtx = 0;
1072
1073	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1074	vtx = scrollbar_TotalWidth();
1075	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1076	mbh -= R->TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1082	+ vtx;
1083	preedit_rect->height = Height2Pixel(1);
1084
1085	status_rect->x = vtx;
1086	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1087
1088	status_rect->width = needed_rect->width ? needed_rect->width
1089	: Width2Pixel(R->TermWin.ncol + 1);
1090	status_rect->height = Height2Pixel(1);
1091	}
1092
1093	/* ARGSUSED */
1094	/* INTPROTO */
1095	void
1096	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1097	__attribute__ ((unused)), XPointer call_data
1098	__attribute__ ((unused)))
1099	{
1100	dR;
1101
1102	R->Input_Context = NULL;
1103	/* To avoid Segmentation Fault in C locale: Solaris only? */
1104	if (STRCMP(R->locale, "C"))
1105	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1106	rxvt_IMInstantiateCallback, NULL);
1107	}
1108
1109	/*
1110	* X manual pages and include files don't match on some systems:
1111	* some think this is an XIDProc and others an XIMProc so we can't
1112	* use the first argument - need to update this to be nice for
1113	* both types via some sort of configure detection
1114	*/
1115	/* ARGSUSED */
1116	/* EXTPROTO */
1117	void
1118	rxvt_IMInstantiateCallback(Display * unused
1119	__attribute__ ((unused)), XPointer client_data
1120	__attribute__ ((unused)), XPointer call_data
1121	__attribute__ ((unused)))
1122	{
1123	dR;
1124	int i, found, had_im;
1125	const char *p;
1126	char **s;
1127	char buf[IMBUFSIZ];
1128
1129	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1130	if (R->Input_Context)
1131	return;
1132
1133	found = had_im = 0;
1134	p = R->rs[Rs_inputMethod];
1135	if (p && *p) {
1136	had_im = 1;
1137	s = rxvt_splitcommastring(p);
1138	for (i = 0; s[i]; i++) {
1139	if (*s[i]) {
1140	STRCPY(buf, "@im=");
1141	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1142	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1143	&& (rxvt_IM_get_IC(aR) == True)) {
1144	found = 1;
1145	break;
1146	}
1147	}
1148	}
1149	for (i = 0; s[i]; i++)
1150	free(s[i]);
1151	free(s);
1152	}	1246	{
1153	if (found)	1247	if (Input_Context && input_method->xim)
1154	return;	1248	XDestroyIC (Input_Context);
1155		1249
1156	/* try with XMODIFIERS env. var. */	1250	display->put_xim (input_method);
1157	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1251	input_method = 0;
1158	rxvt_IM_get_IC(aR);
1159	return;
1160	}	1252	}
1161		1253
1162	/* try with no modifiers base IF the user didn't specify an IM */	1254	Input_Context = 0;
1163	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1164	&& rxvt_IM_get_IC(aR) == True)
1165	return;
1166	}	1255	}
1167		1256
1168	/*	1257	/*
1169	* Try to open a XIM with the current modifiers, then see if we can	1258	* Try to open a XIM with the current modifiers, then see if we can
1170	* open a suitable preedit type	1259	* open a suitable preedit type
1171	*/	1260	*/
1172	/* INTPROTO */
1173	Bool	1261	bool
1174	rxvt_IM_get_IC(pR)	1262	rxvt_term::IM_get_IC (const char *modifiers)
1175	{	1263	{
1176	int i, j, found;	1264	int i, j, found;
1177	XIM xim;	1265	XIM xim;
1178	XPoint spot;	1266	XPoint spot;
1179	XRectangle rect, status_rect, needed_rect;	1267	XRectangle rect, status_rect, needed_rect;
1180	unsigned long fg, bg;	1268	unsigned long fg, bg;
1181	const char *p;	1269	const char *p;
1182	char **s;	1270	char **s;
1183	XIMStyles *xim_styles;	1271	XIMStyles *xim_styles;
1184	XVaNestedList preedit_attr, status_attr;
1185	XIMCallback ximcallback;
1186		1272
		1273	set_environ (envv);
		1274
		1275	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1276	return false;
		1277
1187	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1278	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1188	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1279	input_method = display->get_xim (locale, modifiers);
1189	if (xim == NULL)	1280	if (input_method == NULL)
1190	return False;	1281	return false;
1191		1282
		1283	xim = input_method->xim;
		1284	spot.x = spot.y = -1;
		1285
1192	xim_styles = NULL;	1286	xim_styles = NULL;
1193	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1287	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1194	|| !xim_styles || !xim_styles->count_styles) {	1288	|| !xim_styles || !xim_styles->count_styles)
1195	XCloseIM(xim);	1289	{
		1290	im_destroy ();
1196	return False;	1291	return false;
		1292	}
		1293
		1294	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1295
		1296	for (int pi = 0; pi < 2; pi++)
1197	}	1297	{
		1298	p = pet[pi];
1198		1299
1199	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1300	if (!p)
1200	: "OverTheSpot,OffTheSpot,Root";	1301	continue;
		1302
1201	s = rxvt_splitcommastring(p);	1303	s = rxvt_splitcommastring (p);
		1304
1202	for (i = found = 0; !found && s[i]; i++) {	1305	for (i = found = 0; !found && s[i]; i++)
		1306	{
1203	if (!STRCMP(s[i], "OverTheSpot"))	1307	if (!strcmp (s[i], "OverTheSpot"))
1204	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1308	input_style = (XIMPreeditPosition | XIMStatusNothing);
1205	else if (!STRCMP(s[i], "OffTheSpot"))	1309	else if (!strcmp (s[i], "OffTheSpot"))
1206	R->input_style = (XIMPreeditArea | XIMStatusArea);	1310	input_style = (XIMPreeditArea | XIMStatusArea);
1207	else if (!STRCMP(s[i], "Root"))	1311	else if (!strcmp (s[i], "Root"))
1208	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1312	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1313	else if (!strcmp (s[i], "None"))
		1314	input_style = (XIMPreeditNone | XIMStatusNone);
1209		1315
1210	for (j = 0; j < xim_styles->count_styles; j++)	1316	for (j = 0; j < xim_styles->count_styles; j++)
1211	if (R->input_style == xim_styles->supported_styles[j]) {	1317	if (input_style == xim_styles->supported_styles[j])
		1318	{
		1319	rxvt_freecommastring (s);
		1320
1212	found = 1;	1321	found = 1;
		1322	goto foundpet;
		1323	}
		1324
		1325	}
		1326
		1327	rxvt_freecommastring (s);
		1328	}
		1329
		1330	foundpet:
		1331
		1332	XFree (xim_styles);
		1333
		1334	if (!found)
		1335	{
		1336	im_destroy ();
		1337	return false;
		1338	}
		1339
		1340	XFontSet fs = 0;
		1341	XVaNestedList preedit_attr = 0, status_attr = 0;
		1342
		1343	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1344	{
		1345	// fake us a font-set, please
		1346	char **missing_charset_list;
		1347	int missing_charset_count;
		1348	char *def_string;
		1349	char pat[512];
		1350
		1351	sprintf (pat,
		1352	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1353	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1354	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1355	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1356	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1357	"*",
		1358	fheight,
		1359	fheight + 1, fheight - 1,
		1360	fheight - 2, fheight + 2);
		1361
		1362	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1363	&missing_charset_list, &missing_charset_count, &def_string);
		1364
		1365	if (missing_charset_list)
		1366	XFreeStringList (missing_charset_list);
		1367
		1368	if (!fs)
		1369	{
		1370	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1371	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1372	}
		1373	}
		1374
		1375	if (input_style & XIMPreeditPosition)
		1376	{
		1377	im_set_size (rect);
		1378	im_set_position (spot);
		1379	im_set_color (fg, bg);
		1380
		1381	preedit_attr = XVaCreateNestedList (0,
		1382	XNForeground, fg,
		1383	XNBackground, bg,
		1384	XNArea, &rect,
		1385	XNSpotLocation, &spot,
		1386	XNFontSet, fs,
		1387	NULL);
		1388	}
		1389	else if (input_style & XIMPreeditArea)
		1390	{
		1391	im_set_color (fg, bg);
		1392
		1393	/*
		1394	* The necessary width of preedit area is unknown
		1395	* until create input context.
		1396	*/
		1397	needed_rect.width = 0;
		1398	im_set_preedit_area (rect, status_rect, needed_rect);
		1399
		1400	preedit_attr = XVaCreateNestedList (0,
		1401	XNForeground, fg,
		1402	XNBackground, bg,
		1403	XNArea, &rect,
		1404	XNFontSet, fs,
		1405	NULL);
		1406	status_attr = XVaCreateNestedList (0,
		1407	XNForeground, fg,
		1408	XNBackground, bg,
		1409	XNArea, &status_rect,
		1410	XNFontSet, fs,
		1411	NULL);
		1412	}
		1413
		1414	Input_Context = XCreateIC (xim,
		1415	XNInputStyle, input_style,
		1416	XNClientWindow, vt,
		1417	XNFocusWindow, parent[0],
		1418	preedit_attr ? XNPreeditAttributes : NULL,
		1419	preedit_attr,
		1420	status_attr ? XNStatusAttributes : NULL,
		1421	status_attr, NULL);
		1422
		1423	if (preedit_attr) XFree (preedit_attr);
		1424	if (status_attr) XFree (status_attr);
		1425	if (fs) XFreeFontSet (display->display, fs);
		1426
		1427	if (Input_Context == NULL)
		1428	{
		1429	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1430	im_destroy ();
		1431	return false;
		1432	}
		1433
		1434	if (input_style & XIMPreeditArea)
		1435	IMSetStatusPosition ();
		1436
		1437	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1438	return true;
		1439	}
		1440
		1441	void
		1442	rxvt_term::im_cb ()
		1443	{
		1444	int i;
		1445	const char *p;
		1446	char **s;
		1447	char buf[IMBUFSIZ];
		1448
		1449	make_current ();
		1450
		1451	im_destroy ();
		1452
		1453	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1454	if (Input_Context)
		1455	return;
		1456
		1457	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1458	if (rs[Rs_imLocale])
		1459	SET_LOCALE (rs[Rs_imLocale]);
		1460	#endif
		1461
		1462	p = rs[Rs_inputMethod];
		1463	if (p && *p)
		1464	{
		1465	bool found = false;
		1466
		1467	s = rxvt_splitcommastring (p);
		1468
		1469	for (i = 0; s[i]; i++)
		1470	{
		1471	if (*s[i])
		1472	{
		1473	strcpy (buf, "@im=");
		1474	strncat (buf, s[i], IMBUFSIZ - 5);
		1475	if (IM_get_IC (buf))
		1476	{
		1477	found = true;
1213	break;	1478	break;
		1479	}
1214	}	1480	}
1215	}	1481	}
1216	for (i = 0; s[i]; i++)
1217	free(s[i]);
1218	free(s);
1219	XFree(xim_styles);
1220		1482
		1483	rxvt_freecommastring (s);
		1484
1221	if (!found) {	1485	if (found)
1222	XCloseIM(xim);	1486	goto done;
1223	return False;
1224	}	1487	}
1225		1488
1226	ximcallback.callback = rxvt_IMDestroyCallback;	1489	/* try with XMODIFIERS env. var. */
		1490	if (IM_get_IC (""))
		1491	goto done;
1227		1492
1228	/* XXX: not sure why we need this (as well as IC one below) */	1493	/* try with no modifiers base IF the user didn't specify an IM */
1229	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1494	if (IM_get_IC ("@im=none"))
		1495	goto done;
1230		1496
1231	preedit_attr = status_attr = NULL;	1497	done:
1232		1498	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1233	if (R->input_style & XIMPreeditPosition) {	1499	if (rs[Rs_imLocale])
1234	rxvt_setSize(aR_ & rect);	1500	SET_LOCALE (locale);
1235	rxvt_setPosition(aR_ & spot);	1501	#endif
1236	rxvt_setColor(aR_ & fg, &bg);
1237
1238	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1239	XNSpotLocation, &spot,
1240	XNForeground, fg, XNBackground, bg,
1241	//XNFontSet, R->TermWin.fontset,
1242	NULL);
1243	} else if (R->input_style & XIMPreeditArea) {
1244	rxvt_setColor(aR_ & fg, &bg);
1245
1246	/*
1247	* The necessary width of preedit area is unknown
1248	* until create input context.
1249	*/
1250	needed_rect.width = 0;
1251
1252	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1253
1254	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1255	XNForeground, fg, XNBackground, bg,
1256	//XNFontSet, R->TermWin.fontset,
1257	NULL);
1258	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1259	XNForeground, fg, XNBackground, bg,
1260	//XNFontSet, R->TermWin.fontset,
1261	NULL);
1262	}
1263	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1264	XNClientWindow, R->TermWin.parent[0],
1265	XNFocusWindow, R->TermWin.parent[0],
1266	XNDestroyCallback, &ximcallback,
1267	preedit_attr ? XNPreeditAttributes : NULL,
1268	preedit_attr,
1269	status_attr ? XNStatusAttributes : NULL,
1270	status_attr, NULL);
1271	if (preedit_attr)
1272	XFree(preedit_attr);
1273	if (status_attr)
1274	XFree(status_attr);
1275	if (R->Input_Context == NULL) {
1276	rxvt_print_error("failed to create input context");
1277	XCloseIM(xim);
1278	return False;
1279	}
1280	if (R->input_style & XIMPreeditArea)
1281	rxvt_IMSetStatusPosition(aR);
1282	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1283	return True;
1284	}	1502	}
1285		1503
1286	/* EXTPROTO */
1287	void	1504	void
1288	rxvt_IMSetStatusPosition(pR)	1505	rxvt_term::IMSetStatusPosition ()
1289	{	1506	{
1290	XRectangle preedit_rect, status_rect, *needed_rect;	1507	XRectangle preedit_rect, status_rect, *needed_rect;
1291	XVaNestedList preedit_attr, status_attr;	1508	XVaNestedList preedit_attr, status_attr;
1292		1509
1293	if (R->Input_Context == NULL	1510	if (!Input_Context
		1511	|| !focus
1294	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1512	|| !(input_style & XIMPreeditArea)
1295	|| !rxvt_IMisRunning(aR))	1513	|| !IMisRunning ())
1296	return;	1514	return;
1297		1515
1298	/* Getting the necessary width of preedit area */	1516	/* Getting the necessary width of preedit area */
1299	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1517	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1300	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1518	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1301	XFree(status_attr);	1519	XFree (status_attr);
1302		1520
1303	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1521	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1522	XFree (needed_rect);
1304		1523
1305	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1524	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1306	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1525	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1307		1526
1308	XSetICValues(R->Input_Context,	1527	XSetICValues (Input_Context,
1309	XNPreeditAttributes, preedit_attr,	1528	XNPreeditAttributes, preedit_attr,
1310	XNStatusAttributes, status_attr, NULL);	1529	XNStatusAttributes, status_attr, NULL);
1311		1530
1312	XFree(preedit_attr);	1531	XFree (preedit_attr);
1313	XFree(status_attr);	1532	XFree (status_attr);
1314	}	1533	}
1315	#endif /* USE_XIM */	1534	#endif /* USE_XIM */
1316		1535
1317	/*----------------------------------------------------------------------*/
1318	rxvt_t rxvt_current_term;
1319
1320	/*----------------------- end-of-file (C source) -----------------------*/	1536	/*----------------------- end-of-file (C source) -----------------------*/

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